VizieR Online Data Catalog: Age of 269 GDR2 open clusters (Bossini+, 2019)
Dataset published in 2019 by
D. Bossini,
A. Vallenari,
A. Bragaglia,
T. Cantat-Gaudin,
R. Sordo,
L. Balaguer-Nunez,
C. Jordi,
A. Moitinho,
C. Soubiran,
L. Casamiquela,
R. Carrera 
,
U. Heiter
,
U. Heiter
